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Cyanide ions are oxidized by the permanganate ions in basic solution according to unbalanced equation:
CN- + MnO4- → MnO42- + CNO-
What volume of 0.0020 M MnO4- solution are needed to oxidize 1.00 L of 4.0 × 10-3 M CN- solution?
Show how each of the following errors would affect (increase, decrease or no change) your calculated value for the molar volume of O2 at STP (Presuming that you complete the experiment otherwise correctly).
Question- Enough of a monoprotic acid is dissolved in water to produce a 0.0174 M solution. The pH of the resulting solution is 2.48. Calculate the Ka for the acid.
Study of a first-order reaction, In the study of a first-order reaction, A--->B, it is found that A/Ao=0.125 after one hour. The system initially consisted of 0.20 mole of a gaseous A at 25 degrees C and 1 atm
Calculate the energy and wavelength associated with an a particle that has fallen through a potential difference of 4.0 V.
determine why the 2s and 2p orbitals on hydrogen are degenerate and they are not in the case of lithium.the formation
what type of minerals are formed by melted materials
The larger ring of protonated caffeine is aromatic. show the structure of the dication and explain why it is aromatic.
Assuming that the 3s- and 3p-orbitals will form molecular orbitals similar to those formed when 2s- and 2p-orbitals interact, according to molecular orbital theory
How many grams of methane gas (CH4) are in a 15.8 liter sample at 1.2 atmospheres and 27°C? Show all work used to solve this problem.
10.00 mL of the final acid solution with excess barium chloride to produce a precipitate of barium sulfate (FW=2.33g/mol). The dry solid weighs 0.397 g.
you are given a mixture of two cations. when this mixture was treated with 6 m hcl there was no precipitate. it gave a
If the desired dose is achieved in 5 minutes at the beginning of the calendar year, how much irradiation time is needed to keep the dose the same three months later
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